Narayan D. Raju

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Milpitas, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatuses for water treatment
- Patent number 10,875,800
- Issue date Dec 29, 2020
- Yee Chun Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and apparatuses for water purification
- Patent number 10,376,807
- Issue date Aug 13, 2019
- Huei Meng Chang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and apparatuses for water purification
- Patent number 10,118,835
- Issue date Nov 6, 2018
- Yee Chun Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Methods and Apparatuses for Water Purification
- Publication number 20190060778
- Publication date Feb 28, 2019
- Huei Meng Chang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Data collection systems and methods for water/fluids
- Publication number 20180161694
- Publication date Jun 14, 2018
- Yee Chun Lee
- G05 - CONTROLLING REGULATING
Information Patent Application
DATA COLLECTION SYSTEMS AND METHODS FOR WATER/FLUIDS
- Publication number 20160096741
- Publication date Apr 7, 2016
- Yee Chun LEE
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods and Apparatuses for Water Treatment
- Publication number 20140263000
- Publication date Sep 18, 2014
- Yee Chun Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods and Apparatuses for Water Purification
- Publication number 20130175155
- Publication date Jul 11, 2013
- Yee Chun Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and apparatus for a dynamically-controlled remote presentati...
- Publication number 20030160813
- Publication date Aug 28, 2003
- Narayan D. Raju
- G06 - COMPUTING CALCULATING COUNTING